STATE ROUTE 238
STATE ROUTE 238 in 04-Ala-238-16.14, Alameda County, California received a condition grade of B (74/100). Built in 2010, the bridge carries 121K vehicles daily on STATE ROUTE 238 over Up RR Bnsf & Amtrak.
STATE ROUTE 238 carries a B on the BridgeSafety Condition Score with 74/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 2010 and is 16 years old — relatively young against the U.S. bridge stock. Modern bridges built to current FHWA standards generally outperform older structures on condition ratings. STATE ROUTE 238 carries an average daily traffic count of 121,000 vehicles, with 6 lane(s) crossing Up RR Bnsf & Amtrak. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
STATE ROUTE 238 is a 16-year-old bridge located 04-Ala-238-16.14 in Alameda County, California. The bridge carries STATE ROUTE 238 over Up RR Bnsf & Amtrak with 6 traffic lanes, handling approximately 121K vehicles per day. Built in 2010, the structure spans 26 meters.
The bridge received a Condition Grade of B (74/100) based on Federal Highway Administration inspection data. Its deck is rated 6/9 (fair), superstructure 7/9 (good), and substructure 7/9 (good).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
STATE ROUTE 238 has a Condition Score of 74/100 (Grade B). Its deck is rated 6/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.
STATE ROUTE 238 was built in 2010, making it 16 years old. The average bridge age in the United States is 48 years.
STATE ROUTE 238 carries approximately 121K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 26 meters long and located on STATE ROUTE 238 in 04-Ala-238-16.14, Alameda County, California.
No, STATE ROUTE 238 is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
STATE ROUTE 238 is located 04-Ala-238-16.14 in Alameda County, California. The bridge carries STATE ROUTE 238 over Up RR Bnsf & Amtrak. Its coordinates are 37.690967, -122.127739. It is maintained by State Highway Agency.
STATE ROUTE 238 carries STATE ROUTE 238 over Up RR Bnsf & Amtrak. The bridge is 26 meters long and was built in 2010.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.